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51924e517b
As part of this, pull together trapv handling into the same enum. This also add support for NSW multiplies. This also makes PCH disagreement on overflow behavior silent, since it really doesn't matter except for warnings and codegen (no macros get defined etc). llvm-svn: 106956
26 lines
745 B
C
26 lines
745 B
C
// RUN: %clang -S -emit-llvm -std=gnu89 -o - %s | FileCheck %s
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// PR5253
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// If an extern inline function is redefined, functions should call the
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// redefinition.
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extern inline int f(int a) {return a;}
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int g(void) {return f(0);}
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// CHECK: call i32 @f
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int f(int b) {return 1+b;}
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// CHECK: load i32* %{{.*}}
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// CHECK: add nsw i32 1, %{{.*}}
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int h(void) {return f(1);}
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// CHECK: call i32 @f
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// It shouldn't matter if the function was redefined static.
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extern inline int f2(int a, int b) {return a+b;}
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int g2(void) {return f2(0,1);}
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// CHECK: call i32 @f2
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static int f2(int a, int b) {return a*b;}
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// CHECK: load i32* %{{.*}}
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// CHECK: load i32* %{{.*}}
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// CHECK: mul nsw i32 %{{.*}}, %{{.*}}
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int h2(void) {return f2(1,2);}
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// CHECK: call i32 @f2
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